[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill-4f596da8-cd3f-4903-bfb3-39207a927c9c":3,"$fSCjMDZ4J3S0GDFSYWL-woepnIzueMclWpBkKdyL7d3o":43},{"id":4,"title":5,"description":6,"categoryId":7,"moduleId":8,"tags":9,"prompt":10,"icon":11,"source":12,"sourceUrl":13,"authorId":14,"authorName":15,"isPublic":16,"stars":17,"runs":18,"createdAt":19,"updatedAt":19,"module":20,"category":27,"packages":34},"4f596da8-cd3f-4903-bfb3-39207a927c9c","bash-linux","Bash\u002FLinux终端模式。关键命令、管道、错误处理、脚本。在macOS或Linux系统上工作时使用。","cat_design_ui","mod_design","sickn33,design","---\nname: bash-linux\ndescription: \"Bash\u002FLinux terminal patterns. Critical commands, piping, error handling, scripting. Use when working on macOS or Linux systems.\"\nrisk: unknown\nsource: community\ndate_added: \"2026-02-27\"\n---\n\n# Bash Linux Patterns\n\n> Essential patterns for Bash on Linux\u002FmacOS.\n\n---\n\n## 1. Operator Syntax\n\n### Chaining Commands\n\n| Operator | Meaning | Example |\n|----------|---------|---------|\n| `;` | Run sequentially | `cmd1; cmd2` |\n| `&&` | Run if previous succeeded | `npm install && npm run dev` |\n| `\\|\\|` | Run if previous failed | `npm test \\|\\| echo \"Tests failed\"` |\n| `\\|` | Pipe output | `ls \\| grep \".js\"` |\n\n---\n\n## 2. File Operations\n\n### Essential Commands\n\n| Task | Command |\n|------|---------|\n| List all | `ls -la` |\n| Find files | `find . -name \"*.js\" -type f` |\n| File content | `cat file.txt` |\n| First N lines | `head -n 20 file.txt` |\n| Last N lines | `tail -n 20 file.txt` |\n| Follow log | `tail -f log.txt` |\n| Search in files | `grep -r \"pattern\" --include=\"*.js\"` |\n| File size | `du -sh *` |\n| Disk usage | `df -h` |\n\n---\n\n## 3. Process Management\n\n| Task | Command |\n|------|---------|\n| List processes | `ps aux` |\n| Find by name | `ps aux \\| grep node` |\n| Kill by PID | `kill -9 \u003CPID>` |\n| Find port user | `lsof -i :3000` |\n| Kill port | `kill -9 $(lsof -t -i :3000)` |\n| Background | `npm run dev &` |\n| Jobs | `jobs -l` |\n| Bring to front | `fg %1` |\n\n---\n\n## 4. Text Processing\n\n### Core Tools\n\n| Tool | Purpose | Example |\n|------|---------|---------|\n| `grep` | Search | `grep -rn \"TODO\" src\u002F` |\n| `sed` | Replace | `sed -i 's\u002Fold\u002Fnew\u002Fg' file.txt` |\n| `awk` | Extract columns | `awk '{print $1}' file.txt` |\n| `cut` | Cut fields | `cut -d',' -f1 data.csv` |\n| `sort` | Sort lines | `sort -u file.txt` |\n| `uniq` | Unique lines | `sort file.txt \\| uniq -c` |\n| `wc` | Count | `wc -l file.txt` |\n\n---\n\n## 5. Environment Variables\n\n| Task | Command |\n|------|---------|\n| View all | `env` or `printenv` |\n| View one | `echo $PATH` |\n| Set temporary | `export VAR=\"value\"` |\n| Set in script | `VAR=\"value\" command` |\n| Add to PATH | `export PATH=\"$PATH:\u002Fnew\u002Fpath\"` |\n\n---\n\n## 6. Network\n\n| Task | Command |\n|------|---------|\n| Download | `curl -O https:\u002F\u002Fexample.com\u002Ffile` |\n| API request | `curl -X GET https:\u002F\u002Fapi.example.com` |\n| POST JSON | `curl -X POST -H \"Content-Type: application\u002Fjson\" -d '{\"key\":\"value\"}' URL` |\n| Check port | `nc -zv localhost 3000` |\n| Network info | `ifconfig` or `ip addr` |\n\n---\n\n## 7. Script Template\n\n```bash\n#!\u002Fbin\u002Fbash\nset -euo pipefail  # Exit on error, undefined var, pipe fail\n\n# Colors (optional)\nRED='\\033[0;31m'\nGREEN='\\033[0;32m'\nNC='\\033[0m'\n\n# Script directory\nSCRIPT_DIR=\"$(cd \"$(dirname \"${BASH_SOURCE[0]}\")\" && pwd)\"\n\n# Functions\nlog_info() { echo -e \"${GREEN}[INFO]${NC} $1\"; }\nlog_error() { echo -e \"${RED}[ERROR]${NC} $1\" >&2; }\n\n# Main\nmain() {\n    log_info \"Starting...\"\n    # Your logic here\n    log_info \"Done!\"\n}\n\nmain \"$@\"\n```\n\n---\n\n## 8. Common Patterns\n\n### Check if command exists\n\n```bash\nif command -v node &> \u002Fdev\u002Fnull; then\n    echo \"Node is installed\"\nfi\n```\n\n### Default variable value\n\n```bash\nNAME=${1:-\"default_value\"}\n```\n\n### Read file line by line\n\n```bash\nwhile IFS= read -r line; do\n    echo \"$line\"\ndone \u003C file.txt\n```\n\n### Loop over files\n\n```bash\nfor file in *.js; do\n    echo \"Processing $file\"\ndone\n```\n\n---\n\n## 9. Differences from PowerShell\n\n| Task | PowerShell | Bash |\n|------|------------|------|\n| List files | `Get-ChildItem` | `ls -la` |\n| Find files | `Get-ChildItem -Recurse` | `find . -type f` |\n| Environment | `$env:VAR` | `$VAR` |\n| String concat | `\"$a$b\"` | `\"$a$b\"` (same) |\n| Null check | `if ($x)` | `if [ -n \"$x\" ]` |\n| Pipeline | Object-based | Text-based |\n\n---\n\n## 10. Error Handling\n\n### Set options\n\n```bash\nset -e          # Exit on error\nset -u          # Exit on undefined variable\nset -o pipefail # Exit on pipe failure\nset -x          # Debug: print commands\n```\n\n### Trap for cleanup\n\n```bash\ncleanup() {\n    echo \"Cleaning up...\"\n    rm -f \u002Ftmp\u002Ftempfile\n}\ntrap cleanup EXIT\n```\n\n---\n\n> **Remember:** Bash is text-based. Use `&&` for success chains, `set -e` for safety, and quote your variables!\n\n## When to Use\nThis skill is applicable to execute the workflow or actions described in the overview.\n\n## Limitations\n- Use this skill only when the task clearly matches the scope described above.\n- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.\n- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.\n","","imported","https:\u002F\u002Fgithub.com\u002Fsickn33\u002Fantigravity-awesome-skills","user_system_seed","SkillOPIC",true,58,155,"2026-05-16 13:08:19",{"id":8,"name":21,"slug":22,"icon":23,"description":24,"sort":25,"createdAt":26},"设计创意","design","mdi-palette-outline","UI 设计、生成艺术、品牌视觉等创意 Skill",3,"2026-05-16 12:53:40",{"id":7,"name":28,"slug":29,"icon":30,"description":31,"moduleId":8,"sort":32,"skillCount":33,"createdAt":26},"UI 设计","ui-design","mdi-monitor-cellphone","界面设计、交互规范、设计系统",1,36,[35],{"id":36,"skillId":4,"version":37,"fileName":38,"fileSize":39,"filePath":40,"fileHash":41,"manifest":42,"createdAt":19},"18ad56fe-9d47-43e7-8e51-15112b2804f9","1.0.0","bash-linux.zip",2261,"uploads\u002Fskills\u002F4f596da8-cd3f-4903-bfb3-39207a927c9c\u002Fbash-linux.zip","5c8d72e38a4e5c58fe4a8b5548f471ec074ccc9c1b78c063f01636d8cd6ad5ba","[{\"path\":\"SKILL.md\",\"isDirectory\":false,\"size\":4586}]",{"code":44,"message":45,"data":46},200,"success",{"items":47,"stats":48,"page":51},[],{"averageRating":49,"totalRatings":49,"ratingCounts":50},0,[49,49,49,49,49],{"limit":52,"offset":49,"hasMore":53,"nextOffset":52,"ratedOnly":16},15,false]